Congenital malformations of breast - Q83
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- absence of pectoral muscle (Q79.8)
- hypoplasia of breast (N64.82)
- micromastia (N64.82)
These ranges represents subcategories of Congenital malformations of breast. The "Q83" signifies that these are the diseases within this broad category.